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Finding the Fourth Proportional to 60,433, 90,584.70 and 29,199.40

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Solution

The fourth proportional to 60,433, 90,584.70 and 29,199.40 is: 43,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,433 : 90,584.70 = 29,199.40 : x
  2. Step 2: Convert to fraction form
    60,433/90,584.70 = 29,199.40/x
  3. Step 3: Cross multiply
    60,433x = 90,584.70 × 29,199.40
  4. Step 4: Simplify right side
    60,433x = 2,645,018,889.18
  5. Step 5: Solve for x
    x = 2,645,018,889.18/60,433
  6. Step 6: Final answer
    x = 43,767.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.